Path Traversal in Makafeli N8n-Workflow-Builder
CVE-2026-15521
A vulnerability was identified in makafeli n8n-workflow-builder up to 0.11.0. Affected is an unknown function of the file build/server.cjs of the component update_node_from_file. The manipulation of the argument filePath leads to path traversal. An attack has to be approached locally. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.002 (6.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Makafeli N8n-workflow-builder — versions 0.1, 0.2, 0.3
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (issue-tracking, exploit)
- cna@vuldb.com (product)
Frequently asked questions
- What is CVE-2026-15521?
- CVE-2026-15521 is a medium-severity vulnerability in Makafeli N8n-Workflow-Builder, classified under Path Traversal. CVSS score: 5.3/10. Published 2026-07-13.
- How severe is CVE-2026-15521?
- Medium severity. CVSS v3 base score is 5.3 out of 10.